Overview of existing regulations for ventilation requirements of enclosed vehicular parking facilities

This paper provides an overview of the current standards and regulations regarding the ventilation in enclosed parking facilities in the US and other countries. First, the paper discusses the emission rates of motor vehicle pollutants and their health effects. In particular, typical emission rates for different vehicle and fuel types are presented to highlight the effect of various parameters on the ventilation rate requirements for parking garages. In addition, the paper provides a brief description of some of the common ventilation problems reported in the literature for enclosed parking garages.